9C7H | pdb_00009c7h

Cryo-EM structure of respiratory supercomplex III

PDB DOI: https://doi.org/10.2210/pdb9C7H/pdb
EM Map EMD-45282: EMDB EMDataResource

Classification: ELECTRON TRANSPORT
Organism(s): Sus scrofa
Mutation(s): No

Deposited: 2024-06-10 Released: 2025-07-02
Deposition Author(s): Zhang, Z., Maharjan, R., Tringides, M.
Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.78 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

This is version 1.0 of the entry. See complete history.

Literature

Cryo-EM structure of respiratory supercomplex III

Zhang, Z., Maharjan, R., Tringides, M.

To be published.

Macromolecule Content

Total Structure Weight: 587.51 kDa
Atom Count: 32,776
Modeled Residue Count: 4,128
Deposited Residue Count: 5,280
Unique protein chains: 10

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome b-c1 complex subunit 6, mitochondrial	A [auth 0], T [auth Ab]	91	Sus scrofa	Mutation(s): 0
UniProt
Find proteins for A0A8D1JI21 (Sus scrofa) Explore A0A8D1JI21 Go to UniProtKB: A0A8D1JI21
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	A0A8D1JI21
Sequence Annotations Expand
Reference Sequence

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Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Ubiquinol-cytochrome c reductase complex 7.2 kDa protein	B [auth 1], U [auth Ac]	64	Sus scrofa	Mutation(s): 0
UniProt
Find proteins for A0A8D1J3N6 (Sus scrofa) Explore A0A8D1J3N6 Go to UniProtKB: A0A8D1J3N6
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	A0A8D1J3N6
Sequence Annotations Expand
Reference Sequence

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Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Ubiquinol-cytochrome c reductase, Rieske iron-sulfur polypeptide 1	C [auth 2], E [auth 4], Q [auth Af], R [auth Ae]	299	Sus scrofa	Mutation(s): 0
UniProt
Find proteins for F1RNZ1 (Sus scrofa) Explore F1RNZ1 Go to UniProtKB: F1RNZ1
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	F1RNZ1
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Reference Sequence

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Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome b-c1 complex subunit 10	D [auth 3], V [auth Ad]	56	Sus scrofa	Mutation(s): 0
UniProt
Find proteins for F1SDI2 (Sus scrofa) Explore F1SDI2 Go to UniProtKB: F1SDI2
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	F1SDI2
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Reference Sequence

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Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome b-c1 complex subunit 1, mitochondrial	F [auth 5], K [auth u]	480	Sus scrofa	Mutation(s): 0
UniProt
Find proteins for A0A8D0PK14 (Sus scrofa) Explore A0A8D0PK14 Go to UniProtKB: A0A8D0PK14
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	A0A8D0PK14
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Reference Sequence

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Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome b-c1 complex subunit 2, mitochondrial	G [auth 6], L [auth v]	453	Sus scrofa	Mutation(s): 0
UniProt
Find proteins for F1RPD2 (Sus scrofa) Explore F1RPD2 Go to UniProtKB: F1RPD2
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	F1RPD2
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Reference Sequence

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Entity ID: 7
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome b	H [auth 7], M [auth w]	379	Sus scrofa	Mutation(s): 0
UniProt
Find proteins for Q1HBG9 (Sus scrofa) Explore Q1HBG9 Go to UniProtKB: Q1HBG9
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q1HBG9
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Reference Sequence

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Entity ID: 8
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome c1	I [auth 8], N [auth x]	326	Sus scrofa	Mutation(s): 0
UniProt
Find proteins for A0A287AZF9 (Sus scrofa) Explore A0A287AZF9 Go to UniProtKB: A0A287AZF9
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	A0A287AZF9
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Reference Sequence

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Entity ID: 9
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome b-c1 complex subunit 7	J [auth 9], O [auth y]	111	Sus scrofa	Mutation(s): 0
UniProt
Find proteins for A0A286ZPR8 (Sus scrofa) Explore A0A286ZPR8 Go to UniProtKB: A0A286ZPR8
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	A0A286ZPR8
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Reference Sequence

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Entity ID: 10
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome b-c1 complex subunit 8	P [auth z], S [auth Aa]	82	Sus scrofa	Mutation(s): 0
UniProt
Find proteins for A0A8D0SHY6 (Sus scrofa) Explore A0A8D0SHY6 Go to UniProtKB: A0A8D0SHY6
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	A0A8D0SHY6
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Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
HEC Query on HEC Download Ideal Coordinates CCD File SDF format, chain AA [auth 8] SDF format, chain DA [auth x] MOL2 format, chain AA [auth 8] MOL2 format, chain DA [auth x] mmCIF format, chain AA [auth 8] mmCIF format, chain DA [auth x]	AA [auth 8], DA [auth x]	HEME C C₃₄ H₃₄ Fe N₄ O₄ HXQIYSLZKNYNMH-LJNAALQVSA-N		Interactions Focus chain AA [auth 8] Focus chain DA [auth x] Interactions & Density Focus chain AA [auth 8] Focus chain DA [auth x]
HEM Query on HEM Download Ideal Coordinates CCD File SDF format, chain BA [auth w] SDF format, chain Y [auth 7] SDF format, chain Z [auth 7] SDF format, chain CA [auth w] MOL2 format, chain BA [auth w] MOL2 format, chain Y [auth 7] MOL2 format, chain Z [auth 7] MOL2 format, chain CA [auth w] mmCIF format, chain BA [auth w] mmCIF format, chain Y [auth 7] mmCIF format, chain Z [auth 7] mmCIF format, chain CA [auth w]	BA [auth w], CA [auth w], Y [auth 7], Z [auth 7]	PROTOPORPHYRIN IX CONTAINING FE C₃₄ H₃₂ Fe N₄ O₄ KABFMIBPWCXCRK-RGGAHWMASA-L		Interactions Focus chain BA [auth w] Focus chain CA [auth w] Focus chain Y [auth 7] Focus chain Z [auth 7] Interactions & Density Focus chain BA [auth w] Focus chain CA [auth w] Focus chain Y [auth 7] Focus chain Z [auth 7]
FES Query on FES Download Ideal Coordinates CCD File SDF format, chain X [auth 4] SDF format, chain W [auth 2] MOL2 format, chain X [auth 4] MOL2 format, chain W [auth 2] mmCIF format, chain X [auth 4] mmCIF format, chain W [auth 2]	W [auth 2], X [auth 4]	FE2/S2 (INORGANIC) CLUSTER Fe₂ S₂ NIXDOXVAJZFRNF-UHFFFAOYSA-N		Interactions Focus chain W [auth 2] Focus chain X [auth 4] Interactions & Density Focus chain W [auth 2] Focus chain X [auth 4]